NXP Semiconductors TDA8932B Uživatelský manuál stáhnout pdf (Strana 3)

TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.

Product data sheet Rev. 03— 21 June 2007 3 of 48

NXP Semiconductors

TDA8932B

Class-D audio ampliﬁer

6. Block diagram

Fig 1. Block diagram

001aaf597

2

10 31 8

28

29

27

3

12

TDA8932B

OSCILLATOR

26

BOOT1

V

DDP1

OUT1

V

SSP1

PWM

MODULATOR

DRIVER

HIGH

DRIVER

LOW

CTRL

MANAGER

CTRL

PWM

MODULATOR

PROTECTIONS:

OVP, OCP, OTP,

UVP, TF, WP

STABILIZER 11 V

STABILIZER 11 V

REGULATOR 5 V

MODE

V

DDA

15

14

IN1P

OSCREF OSCIO V

DDA

V

SSD

IN1N

INREF

IN2P

IN2N

6

POWERUP

4

DIAG

7

CGND

21

20

22

23

BOOT2

V

DDP2

OUT2

25

STAB1

24

STAB2

18

11

DREF

HVPREF

30

HVP1

19

HVP2

V

SSP2

DRIVER

HIGH

DRIVER

LOW

V

DDA

V

SSP1

V

SSP2

V

SSD

V

DDA

V

SSA

HALF SUPPLY VOLTAGE

5

ENGAGE

13

9

TEST

V

SSA

1, 16, 17, 32

V

SSD(HW)

1 2 3 4 5 6 7 8 ... 47 48

TDA8932B 1

Komentáře k této Příručce

Žádné komentáře